A three-CD box set chronicles two recording sessions by Elvis Presley at Stax Records in 1973.

A three-CD box set chronicles two recording sessions by Elvis Presley at Stax Records in 1973.

Photo: Associated Press File Photo

A three-CD box set chronicles two recording sessions by Elvis... Photo-5019275.68320 - seattlepi.com

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American singer Elvis Presley, shown in concert in the later part of his career, was known as the King of Rock. His life starting from a poor childhood in Mississippi to the top of the music world to his death at age 42 made him one of the cultural icons of the 20th century. less

American singer Elvis Presley, shown in concert in the later part of his career, was known as the King of Rock. His life starting from a poor childhood in Mississippi to the top of the music world to his death ... more

American singer Elvis Presley, shown in concert in the later part... Photo-4947968.68320 - seattlepi.com

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Elvis Presley, "Having Fun with Elvis on Stage" (1974): Even by the King's relatively liberal standards, this one is a doozy. It's a live album with no actual music -- just a compilation of Elvis talking between songs. less

Elvis Presley, "Having Fun with Elvis on Stage" (1974): Even by the King's relatively liberal standards, this one is a doozy. It's a live album with no actual music -- just a compilation of Elvis talking ... more

Nancy Sinatra has her arms around Elvis Presley in a scene from the film 'Speedway', 1968. (Photo by Metro-Goldwyn-Mayer/Getty Images) (Getty Images)

Nancy Sinatra has her arms around Elvis Presley in a scene from the film 'Speedway', 1968. (Photo by Metro-Goldwyn-Mayer/Getty Images) (Getty Images)

Nancy Sinatra has her arms around Elvis Presley in a scene from the... Photo-3335897.68320 - seattlepi.com

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Elvis Presley during a live performance at Honolulu International Center in Honolulu, Hawaii on January 14, 1973 for his NBC special (Photo by Gary Null/NBC/NBCU Photo Bank via Getty Images) (NBC via Getty Images) less

Elvis Presley during a live performance at Honolulu International Center in Honolulu, Hawaii on January 14, 1973 for his NBC special (Photo by Gary Null/NBC/NBCU Photo Bank via Getty Images) (NBC via Getty ... more

Elvis Presley during a live performance at Honolulu International... Photo-3335898.68320 - seattlepi.com

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Elvis Presley sitting in the driver's seat of a convertible car smiling at Judy Tyler as she smiles back in a scene from the film 'Jailhouse Rock', 1957. (Photo by Metro-Goldwyn-Mayer/Getty Images) (Getty Images) less

Elvis Presley sitting in the driver's seat of a convertible car smiling at Judy Tyler as she smiles back in a scene from the film 'Jailhouse Rock', 1957. (Photo by Metro-Goldwyn-Mayer/Getty Images) (Getty ... more

Elvis Presley sitting in the driver's seat of a convertible... Photo-3335899.68320 - seattlepi.com

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An autographed pair of Elvis Presley's original blue suede shoes and a photo of him autographing them. (Photo by Michael Loccisano/Getty Images) (Getty Images)

An autographed pair of Elvis Presley's original blue suede shoes and a photo of him autographing them. (Photo by Michael Loccisano/Getty Images) (Getty Images)

Elvis Presley's cape displayed at a press preview for the Gotta Have Rock and Roll online auction at the Gotta Have It! store on July 25, 2012 in New York City. (Photo by Laura Cavanaugh/Getty Images) (Getty Images) less

Elvis Presley's cape displayed at a press preview for the Gotta Have Rock and Roll online auction at the Gotta Have It! store on July 25, 2012 in New York City. (Photo by Laura Cavanaugh/Getty Images) (Getty ... more

Elvis Presley's living room at Graceland is seen during Elvis Week on August 12, 2002 in Memphis, Tennessee. Graceland is the second-most visited home in America behind the White House. (Photo by Mario Tama/Gettty Images) (Getty Images) less

Elvis Presley's living room at Graceland is seen during Elvis Week on August 12, 2002 in Memphis, Tennessee. Graceland is the second-most visited home in America behind the White House. (Photo by Mario ... more

Elvis Presley's living room at Graceland is seen during Elvis... Photo-3335900.68320 - seattlepi.com

Elvis Presley is cradled by Donna Douglas on the floor in a scene from the film 'Frankie And Johnny', 1966. (Photo by United Artists/Getty Images) (Getty Images)

Elvis Presley is cradled by Donna Douglas on the floor in a scene from the film 'Frankie And Johnny', 1966. (Photo by United Artists/Getty Images) (Getty Images)

Elvis Presley is cradled by Donna Douglas on the floor in a scene... Photo-3335906.68320 - seattlepi.com

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American singer and actor Elvis Presley (1935 -1977) holds the hand of Swiss born actor Ursula Andress in a still from the film, 'Fun in Acapulco,' directed by Richard Thorpe, 1963. (Photo by Paramount Studios/Courtesy of Getty Images) (Getty Images) less

American singer and actor Elvis Presley (1935 -1977) holds the hand of Swiss born actor Ursula Andress in a still from the film, 'Fun in Acapulco,' directed by Richard Thorpe, 1963. (Photo by Paramount ... more

Singer Elvis Presley (1935 - 1977), then 33, and his 22 year-old wife Priscilla, leaving the Baptist Hospital, Memphis, Tennessee, with their baby daughter Lisa-Marie, born on February 2nd. (Photo by Keystone/Getty Images) (Getty Images) less

Singer Elvis Presley (1935 - 1977), then 33, and his 22 year-old wife Priscilla, leaving the Baptist Hospital, Memphis, Tennessee, with their baby daughter Lisa-Marie, born on February 2nd. (Photo by ... more

Elvis Presley being fed a mouthful of wedding cake by his bride Priscilla Beaulieu at the Aladdin Hotel, Las Vegas. (Photo by Keystone/Getty Images) (Getty Images)

Elvis Presley being fed a mouthful of wedding cake by his bride Priscilla Beaulieu at the Aladdin Hotel, Las Vegas. (Photo by Keystone/Getty Images) (Getty Images)

Elvis Presley being fed a mouthful of wedding cake by his bride... Photo-3335909.68320 - seattlepi.com

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August 1969: The sign for the International Hotel and Casino, advertising a performance by Elvis Presley, in Las Vegas, Nevada. Also performing were the Ike and Tina Turner Revue, Wayne Cochran, and Sammy Shore. (Photo by Frank Edwards/Fotos International/Getty Images) (Getty Images) less

August 1969: The sign for the International Hotel and Casino, advertising a performance by Elvis Presley, in Las Vegas, Nevada. Also performing were the Ike and Tina Turner Revue, Wayne Cochran, and Sammy ... more

August 1969: The sign for the International Hotel and Casino,... Photo-3335911.68320 - seattlepi.com

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New York City, Elvis Presley rehearsing at the Maxine Elliot Theater for the Ed Sullivan Show. (Photo by Michael Ochs Archives/Getty Images)

New York City, Elvis Presley rehearsing at the Maxine Elliot Theater for the Ed Sullivan Show. (Photo by Michael Ochs Archives/Getty Images)

New York City, Elvis Presley rehearsing at the Maxine Elliot... Photo-3335914.68320 - seattlepi.com

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149269 01: Ann Margret and Elvis Presley pose in 1964 in USA for a publicity photo for their new film "Viva Las Vegas". (Photo by Liaison)

149269 01: Ann Margret and Elvis Presley pose in 1964 in USA for a publicity photo for their new film "Viva Las Vegas". (Photo by Liaison)

Photo of Elvis Presley with The Million Dollar Quartet during a Jam session at Sun Studios. Left to right Jerry Lee Lewis, Carl Perkins, Elvis Presley, Johnnie Cash. (Photo by Michael Ochs Archives/Getty Images) less

Photo of Elvis Presley with The Million Dollar Quartet during a Jam session at Sun Studios. Left to right Jerry Lee Lewis, Carl Perkins, Elvis Presley, Johnnie Cash. (Photo by Michael Ochs Archives/Getty ... more

Photo of Elvis Presley with The Million Dollar Quartet during a Jam... Photo-3335916.68320 - seattlepi.com

American rock n' roll singer and actor Elvis Presley with his bride Priscilla Presley on their wedding day, at the Aladdin Hotel, Las Vegas, Nevada, 1st May 1967. (Photo by Frank Edwards/Fotos ... more

Soon-to-be-discharged US Army Sergeant (and popular singer) Elvis Presley waves from the hatch of an airplane as he prepares to depart for America, Friedberg, Germany, March 2, 1960. (Photo by James Whitmore/Time & Life Pictures/Getty Images) less

Soon-to-be-discharged US Army Sergeant (and popular singer) Elvis Presley waves from the hatch of an airplane as he prepares to depart for America, Friedberg, Germany, March 2, 1960. (Photo by James ... more

Picture taken in 1959 in Germany of US rock star Elvis Presley (C) cheered by fans upon his arrival at Friedberg, to do his military service. Elvis spent two years in Germany whilst in the US Army. (Photo STF/AFP/Getty Images) (AFP/Getty Images) less

Picture taken in 1959 in Germany of US rock star Elvis Presley (C) cheered by fans upon his arrival at Friedberg, to do his military service. Elvis spent two years in Germany whilst in the US Army. (Photo ... more

Picture taken in 1959 in Germany of US rock star Elvis Presley (C)... Photo-3335928.68320 - seattlepi.com

Pvt. Elvis Presley, accompanied by his girlfriend Anita Wood, prepared to drive from his home in Killeen, Texas to join his Army outfit at Ft. Hood, Texas late Friday night, September 21, 1958. The rock 'n roll singer is being transferred to Germany. Anita, who had been crying, refused to face the camera because she said she was red-eyed. (AP Photo) less

Pvt. Elvis Presley, accompanied by his girlfriend Anita Wood, prepared to drive from his home in Killeen, Texas to join his Army outfit at Ft. Hood, Texas late Friday night, September 21, 1958. The rock 'n roll ... more